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Round|Lab Grown|IGI

1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG442038198

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442038198

Diamond specifications and retailer prices

From HK$2,322 HKD
$296 USD
As of November 1, 2026
Save HK$10,412 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$20,634 HKD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442038198 or 442038198. Listed at 15 retailers as of November 1, 2026, with a 448% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442038198
Dimensions7.57 × 7.51 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.57 mm7.51 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442038198
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$20,634 HKD|Low: HK$1,451 HKD|High: HK$20,634 HKD|Avg: HK$6,440 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 6HK$1,451 HKD
Retailer 9HK$2,322 HKD
Retailer 12HK$2,879 HKD
Retailer 13HK$2,879 HKD
Retailer 10HK$3,130 HKD
Retailer 11HK$4,119 HKD
Retailer 14HK$4,723 HKD
Retailer 2HK$5,620 HKD
Retailer 4HK$6,610 HKD
Retailer 8HK$8,842 HKD
Retailer 5HK$10,348 HKD
Retailer 3HK$11,480 HKD
Retailer 7HK$12,734 HKD
Do Amore DiamondsHK$20,634 HKD

29 data points across 14 retailers

15 retailersHK$2,322 HKD to HK$12,734 HKD

Retailer 1
-
HK$2,110 HKD
$269 USD
Price last confirmed 26 days ago
Retailer 2
-
HK$2,252 HKD
$287 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
HK$2,322 HKD
$296 USD
View
A
Retailer 4
-
HK$2,879 HKD
$367 USD
View
Retailer 5
-
HK$2,879 HKD
$367 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$3,130 HKD
$399 USD
View
B+
Retailer 7
-
HK$4,119 HKD
$525 USD
View
B+
Retailer 8
-
HK$4,723 HKD
$602 USD
View
B+
Retailer 9
-
HK$5,620 HKD
£564 GBP
View
B
Retailer 10
-
HK$6,610 HKD
$843 USD
View
B
Retailer 11
-
HK$8,842 HKD
$1,127 USD
View
B
Retailer 12
-
HK$10,348 HKD
$1,319 USD
View
B
Retailer 13
-
HK$11,480 HKD
$1,463 USD
View
B
Retailer 14
-
HK$12,734 HKD
£1,278 GBP
View
Most Expensive
Do Amore Diamonds
27-E64C8D2CC · Nov 1
HK$20,634 HKD
$2,630 USD
View
Price under review
14 more retailers have this diamond
Prices start from HK$2,322 HKDSave up to HK$10,412 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.57ct Round
HK$2,322 HKD